Songs of the Underground Struggle is a collection of five patriotic songs written by Lutosławski and commissioned by the Information and Propaganda Bureau of the Home Army. All are typical examples of their genre. The most popular among them was the Iron March to Stanisław Ryszard Dobrowolski’s lyrics, but even this piece never became as famous as Andrzej Panufnik’s Warsaw Children or Jan Ekier’s Stormtroopers.